Paris for (4 days)--Venice(2 days)--Florance(2 days)--Rome(2 days)--Bacelona(2 days)-- Portugal(2 days).
Florance(2 days): one day is enough
Rome(2 days):too little time, at least 3 days
Bacelona(2 days): very tight,just use the touring bus----they have different lines,save your time and less tiring.
Portugal(2 days); what city? the whole country???